I drive around 40 - 50 kms/week, my budget is Rs. 5.5 lakh. Should I buy a diesel car or a petrol car? by Kaushik Pal on March 2, 2012March 5, 2012 asked in One answer Babychen Mathew answers: 40-50 km a week is quite low. No need for a diesel car. You will save very little money, and almost none if you are buying cash down. Better to use the extra cost of the diesel car on buying a slightly higher petrol (featureswise or sizewise) Leave a Reply Cancel replyYou must be logged in to post a comment.